Power is provided by a twin-turbo 5.0-liter V8 engine that develops 650 HP (478 kW) and 710 Nm (524 lb-ft) of torque. It is connected to an upgraded eight-speed automatic transmission which enables the 2070 kg (4,563 lb) sedan to accelerate from 0-100 km/h in 4.2 seconds and hit a top speed of 320 km/h (199 mph).